If the thought of demons Never rises in your mind, You need not fear the demon hosts around you. It is most important to tame your mind within....

In so far as the Ultimate, or the true nature of being is concerned, there are neither buddhas or demons. He who frees himself from fear and hope, evil and virtue, will realize the insubstantial and groundless nature of confusion. Samsara will then appear as the mahamudra itself….

I'd have to second the notion that it looks like a hindu type style, or potentially south-east Asian. It's possible it's supposed to be a Bodhisattva or Deva, as Buddha Shakyamuni isn't typically depicted with ornamentation like necklaces.